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Determination and Comparison of Seed Oil Triacylglycerol Composition of Various Soybeans (Glycine max (L.)) Using 1H-NMR Spectroscopy

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Author(s): Won Woo Kim | Ho Sik Rho | Yong Deog Hong | Myung Hun Yeom | Song Seok Shin | Jun Gon Yi | Min-Seuk Lee | Hye Yoon Park | Dong Ha Cho

Journal: Molecules
ISSN 1420-3049

Volume: 18;
Issue: 11;
Start page: 14448;
Date: 2013;
Original page

Keywords: Glycine max (L.) | soybean | seed oil | triacylglycerol | 1H-NMR

ABSTRACT
Seed oil triacylglycerol (TAG) composition of 32 soybean varieties were determined and compared using 1H-NMR. The contents of linolenic (Ln), linoleic (L), and oleic (O) ranged from 10.7% to 19.3%, 37.4%–50.1%, and 15.7%–34.1%, respectively. As is evident, linoleic acid was the major fatty acid of soybean oil. Compositional differences among the varieties were observed. Natural oils containing unsaturated groups have been regarded as important nutrient and cosmetic ingredients because of their various biological activities. The TAG profiles of the soy bean oils could be useful for distinguishing the origin of seeds and controlling the quality of soybean oils. To the best of our knowledge, this is the first study in which the TAG composition of various soybean oils has been analyzed using the 1H-NMR method.
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